ASP.NET实现HTTP方式获取功能

<%@ Assembly Name="System.Net" %>
<%@ Import Namespace="System.Net" %>
<%@ Import Namespace="System.IO" %>
<script language="VB" runat="server">
dim STRtemp as string
Sub Page_Load(Src As Object, E As EventArgs)
    Dim HttpWResp as HTTPWebresponse
    Dim sr As StreamReader
    'dim STRtemp as string
    dim build as new stringbuilder

    HttpWReq = WebRequestFactory.Create("http://www.funinspace.com")
    HttpWReq.KeepAlive = false
    HttpWResp = HttpWReq.GetResponse()
    sr = new StreamReader(HttpWResp.GetResponseStream(), Encoding.ASCII)

    Try
     line=sr.ReadLine()
     lineENC = server.HTMLencode(line) & vbcrlf & "<br>"
     build.append (lineENC)

    do while not IsNothing(line)
         line = sr.ReadLine()
            lineENC = server.HTMLencode(line) & vbcrlf & "<br>"
            build.append (lineENC)
    loop
    Catch ex As Exception
        problem.text =ex.Message
    End Try

    labelscrape.text=build.ToString()
End Sub
</script>
<html><head>
<title>Scraping A Website</title>
</head>
<body bgcolor="#FFFFFF">
<h3><font face="Verdana">Scraped Data</font></h3>
    <asp:label id=problem runat="server"/>

    <font face="courier new" size="2">
        <asp:label id=labelscrape runat="server"/>
    </font>
</body></html>